To laugh at someone for having a small penis, esp. someone who has yet to use Megadik, a popular penis-enlargement drug sold exclusively through spam. It is unclear if whizgiggling involves simultaneous urination.
Womens always whizgiggled at me and even blokes did in the unrestricted lavatory! Well, now I sriek at them, because I took M eg ad ik for 4 months and now my penis is truly largest than national.

Blondes always hee-hawed at me and even blokes did in the civil john! Well, now I whizgiggle at them, because I took M eg ad ik for 5 months and now my member is quite largest than civil.

Females always whizgiggled at me and even boys did in the open lavatory! Well, now I whizgiggle at them, because I took M_E GA D IK for 3 months and now my phallus is dreadfully greater than world.
by J’raxis October 25, 2007
Get the whizgiggle mug.
a spasmodic release of urine due to laughing uncontrollably; is also known to occur while jumping on trampolines.
"A whizgiggle overpowered me as I tried not to fall off my chair laughing."

"Princesses always whizgiggled at me and even men did in the not private bathroom!"
by CuttlefishYum April 21, 2009
Get the whizgiggle mug.
Verb - to laugh so hard you pee your pants. This term is used in many SPAM email messages.
Lisa whizgiggled at the size of his penis and had to change her pants.
by Doctor_ABE August 16, 2007
Get the whizgiggled mug.
When you're taking a piss and something makes you laugh, and your dick starts shaking and you spray piss all over the place.
After John's joke in the men's room, Alex whizgiggled all over himself.
by Rotty September 13, 2007
Get the whizgiggled mug.